1281872

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:830

約数の個数: 20

約数和(自身を含む): 2509140

約数和(自身を除く): 1227268

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 709, 904, 1418, 1808, 2836, 5672, 11344, 80117, 160234, 320468, 640936, 1281872]

約数ペア:

[(1, 1281872), (2, 640936), (4, 320468), (8, 160234), (16, 80117), (113, 11344), (226, 5672), (452, 2836), (709, 1808), (904, 1418)]